mage/Mage/src/mage/watchers/common/CommanderCombatDamageWatcher.java

/*
 *  Copyright 2011 BetaSteward_at_googlemail.com. All rights reserved.
 * 
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 *  permitted provided that the following conditions are met:
 * 
 *     1. Redistributions of source code must retain the above copyright notice, this list of
 *        conditions and the following disclaimer.
 * 
 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 * 
 *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package mage.watchers.common;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import mage.MageObject;
import mage.cards.Card;
import mage.constants.WatcherScope;
import mage.game.Game;
import mage.game.events.DamagedPlayerEvent;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.watchers.Watcher;

/* 20130711
 *903.14a A player that’s been dealt 21 or more combat damage by the same commander
 * over the course of the game loses the game. (This is a state-based action. See rule 704.) 
 *
 *
 * @author Plopman
 */
public class CommanderCombatDamageWatcher extends Watcher {

    public Map<UUID, Integer> damageToPlayer = new HashMap<UUID, Integer>();

    public CommanderCombatDamageWatcher(UUID commander) {
        super("CommanderCombatDamageWatcher", WatcherScope.CARD);
        this.sourceId = commander;
    }
    

    public CommanderCombatDamageWatcher(final CommanderCombatDamageWatcher watcher) {
        super(watcher);
        this.damageToPlayer.putAll(watcher.damageToPlayer);
    }

    @Override
    public CommanderCombatDamageWatcher copy() {
        return new CommanderCombatDamageWatcher(this);
    }

    @Override
    public void watch(GameEvent event, Game game) {
        if (event.getType() == EventType.DAMAGED_PLAYER && event instanceof DamagedPlayerEvent) {
            if (sourceId.equals(event.getSourceId())) {
                DamagedPlayerEvent damageEvent = (DamagedPlayerEvent)event;
                if (damageEvent.isCombatDamage()) {
                    UUID playerUUID = event.getTargetId();
                    Integer damage = damageToPlayer.get(playerUUID);
                    if(damage == null){
                        damage = 0;
                    }
                    damage += damageEvent.getAmount();
                    damageToPlayer.put(playerUUID, damage);
                    Player player = game.getPlayer(playerUUID);
                    MageObject commander = game.getObject(sourceId);
                    if (player != null && commander != null){
                        if (!game.isSimulation())
                            game.informPlayers(commander.getLogName() + " did " + damage + " combat damage to " + player.getName() + " during the game.");
                        this.addCardInfoToCommander(game);
                    }
                }
            }
        }
        // Add card info to the commander
        if (event.getType() == GameEvent.EventType.ZONE_CHANGE && event.getTargetId().equals(sourceId)) {
            this.addCardInfoToCommander(game);
        }
    }

    public void addCardInfoToCommander(Game game) {
        MageObject object = game.getPermanent(sourceId);
        if (object == null) {
            object = game.getCard(sourceId);
        }
        if (object != null) {
            StringBuilder sb = new StringBuilder();
            sb.append("<b>Commander</b>");
            Integer castCount = (Integer)game.getState().getValue(sourceId + "_castCount");
            if (castCount != null) {
                sb.append(" ").append(castCount).append(castCount.intValue() == 1 ? " time":" times").append(" casted from the command zone.");
            }
            this.addInfo(object, "Commander",sb.toString(), game);
            for (Map.Entry<UUID, Integer> entry : damageToPlayer.entrySet()) {
                Player damagedPlayer = game.getPlayer(entry.getKey());
                sb.setLength(0);
                sb.append("<b>Commander</b> did ").append(entry.getValue()).append(" combat damage to player ").append(damagedPlayer.getName()).append(".");
                this.addInfo(object, new StringBuilder("Commander").append(entry.getKey()).toString(),sb.toString(), game);
            }
        }
    }

    private void addInfo(MageObject object, String key, String value, Game game) {
        if (object instanceof Card) {
            ((Card) object).addInfo(key, value, game);
        } else if (object instanceof Permanent) {
            ((Permanent) object).addInfo(key, value, game);
        }
    }

    public Map<UUID, Integer> getDamageToPlayer() {
        return damageToPlayer;
    }    

}